It looks like a little of an article (what I see by google translate). It's generally done by some newbies or some users who want to promote their blog here in this forum. Just add a title and post the link to the article (Though it's not a good way). But they put the reference there. You did a mistake by not putting a reference link there.
Let's see what actually the rule saying.
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33. This includes both copying parts or the entirety of other users' posts or threads and copying content from external sources (e.g. other websites) and passing it as your own.